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Nonlinearity as Rank: Generative Low-Rank Adapter with Radial Basis Functions

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์ €์ž

Yihao Ouyang, Shiwei Li, Haozhao Wang, Xiandi Luo, Zhuoqi Hu, Yuetong Song, Qiyu Qin, Yichen Li, Ruixuan Li

๐Ÿ’ก ๊ฐœ์š”

๋ณธ ๋…ผ๋ฌธ์€ ๊ธฐ์กด Low-rank Adaptation (LoRA) ๋ฐฉ์‹์ด ๋ชจ๋ธ ์šฉ๋Ÿ‰ ์ฆ๋Œ€๋ฅผ ์œ„ํ•ด ํŒŒ๋ผ๋ฏธํ„ฐ ์ˆ˜๋ฅผ ์ง์ ‘์ ์œผ๋กœ ๋Š˜๋ฆฌ๋Š” ๋ฌธ์ œ์ ์„ ์ง€์ ํ•˜๋ฉฐ, ์ด๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด ๋น„์„ ํ˜• ํ•จ์ˆ˜๋ฅผ ํ™œ์šฉํ•˜์—ฌ ์ €๊ณ„์ˆ˜ ํ–‰๋ ฌ์˜ ๊ธฐ์ € ๋ฒกํ„ฐ๋ฅผ ์ƒ์„ฑํ•˜๋Š” Generative Low-Rank Adapter (GenLoRA)๋ฅผ ์ œ์•ˆํ•ฉ๋‹ˆ๋‹ค. GenLoRA๋Š” ๊ฐ ์ €๊ณ„์ˆ˜ ํ–‰๋ ฌ์— ๋Œ€ํ•œ ์ž ์žฌ ๋ฒกํ„ฐ์™€ ๊ฐ€๋ฒผ์šด ๋ฐฉ์‚ฌํ˜• ๊ธฐ์ € ํ•จ์ˆ˜ (RBF)๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๊ธฐ์ € ๋ฒกํ„ฐ๋ฅผ ํ•ฉ์„ฑํ•จ์œผ๋กœ์จ, ํ›จ์”ฌ ์ ์€ ํŒŒ๋ผ๋ฏธํ„ฐ๋กœ ๋” ๋†’์€ ์œ ํšจ ๊ณ„์ˆ˜๋ฅผ ๋‹ฌ์„ฑํ•ฉ๋‹ˆ๋‹ค. ๋‹ค์–‘ํ•œ ์‹คํ—˜์„ ํ†ตํ•ด GenLoRA๊ฐ€ ํŒŒ๋ผ๋ฏธํ„ฐ ํšจ์œจ์„ฑ์„ ๋†’์ด๊ณ  ๋ฏธ์„ธ ์กฐ์ • ์„ฑ๋Šฅ์„ ํ–ฅ์ƒ์‹œํ‚ด์„ ์ž…์ฆํ–ˆ์Šต๋‹ˆ๋‹ค.

๐Ÿ”‘ ์‹œ์‚ฌ์  ๋ฐ ํ•œ๊ณ„

โ€ข
๊ธฐ์กด LoRA์˜ ํŒŒ๋ผ๋ฏธํ„ฐ ์ฆ๊ฐ€ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๋Š” ์ƒˆ๋กœ์šด ์ ‘๊ทผ ๋ฐฉ์‹ ์ œ์‹œ
โ€ข
๋น„์„ ํ˜• ํ•จ์ˆ˜ (RBF)๋ฅผ ํ†ตํ•ด ํŒŒ๋ผ๋ฏธํ„ฐ ํšจ์œจ์„ฑ์„ ๊ทน์ ์œผ๋กœ ํ–ฅ์ƒ์‹œํ‚ฌ ์ˆ˜ ์žˆ์Œ์„ ๋ณด์—ฌ์คŒ
โ€ข
๋‹ค์–‘ํ•œ ๋ฐ์ดํ„ฐ์…‹ ๋ฐ ์•„ํ‚คํ…์ฒ˜์—์„œ ์šฐ์ˆ˜ํ•œ ์„ฑ๋Šฅ์„ ์ž…์ฆํ•˜๋ฉฐ ์ผ๋ฐ˜ํ™” ๊ฐ€๋Šฅ์„ฑ์„ ์‹œ์‚ฌ
โ€ข
GenLoRA์˜ ์„ฑ๋Šฅ์„ ๋”์šฑ ์ตœ์ ํ™”ํ•˜๊ธฐ ์œ„ํ•œ RBF์˜ ์ข…๋ฅ˜ ๋ฐ ๊ตฌ์กฐ์— ๋Œ€ํ•œ ์ถ”๊ฐ€์ ์ธ ์—ฐ๊ตฌ ํ•„์š”
๐Ÿ‘